Skoda Octavia Workshop Manual page 33

OCTAVIA
Read out on display of V.A.G 1552
00293
Multi-function switch -F125
Undefined switch status
00297
Gearbox speed sender -G38
No signal
Implausible signal
00300
Gearbox oil temperature sender
-G93
2)
No fault type detected
00518
Throttle valve potentiometer
-G93 3)
Signal outside tolerance
1) First check plug connection for contact corrosion or water penetration, replace if necessary. If fault of solenoid valve
is displayed, pay particular attention to the plug connection at the gearbox between ribbon cable/slide valve body
and wiring harness.
2)
A damaged ATF temperature sensor is displayed.
3)
The transmission of the signal is performed by the throttle valve control unit -J338 via the engine control unit to the
gearbox control unit. Therefore the fault memory of the engine control unit always has to be read out if this fault
occurs.
Edition 06.03
S00.5116.60.20
Self-Diagnosis/Electrical Test
Possible cause of fault
Line interruption
Multi-function switch -F125 defec-
tive.
Line interruption
Gearbox speed sender -G38 defec-
tive.
Plug of the vehicle speed sender
-G38 and gearbox speed sender
-G68 interchanged.
Line interruption
Gearbox oil temperature sender
-G93 defective.
Line interruption or short-circuit
Signal range of throttle valve control
unit -J338 displaced.
Rectifying fault
- Check wiring and plug connections accord-
ing to the ⇒ Current Flow Diagrams, Electri-
cal Fault Finding and Fitting locations.
- Reading measured value block ⇒ page
01-16 Display group number 001.
- Perform electrical test ⇒ page 01-29 and re-
place if necessary multi-function switch
-F125 ⇒ page 38-20.
- Check wiring and plug connections accord-
ing to the ⇒ Current Flow Diagrams, Electri-
cal Fault Finding and Fitting locations.
- Perform electrical test ⇒ page 01-29.
- Replace gearbox speed sender -G38
⇒ page 38-20.
- Inspect plug assignment, see removing and
installing gearbox ⇒ page 37-13.
- Check wiring and plug connections accord-
ing to the ⇒ Current Flow Diagrams, Electri-
cal Fault Finding and Fitting locations.
- Reading measured value block ⇒ page
01-16 Display group number 005.
- Perform electrical test ⇒ page 01-29.
- If the fault 00638 is additionally displayed,
the fault must be rectified.
- Check wiring and plug connections accord-
ing to the ⇒ Current Flow Diagrams, Electri-
cal Fault Finding and Fitting locations.
- Reading measured value block ⇒ page
01-16 Display group number 001 and 003.
01
1)
1)
1)
1)
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